We've datamined likely increased Raid Boss Defeat thresholds for the weekly Great Vault for Aberrus in Patch 10.1. Previously, players only needed 2, 4, and 6 raid boss defeats to be eligible for weekly Great Vault — Vault of the Incarnates raid rewards.
According to datamining, you'll now need 3, 5, and 7 raid boss defeats for weekly Great Vault Aberrus, the Shadowed Crucible raid rewards. This is likely due to Aberrus having 9 boss encounters compared to Vault's 8 encounters.
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